Probing Higgs-muon interactions at a multi-TeV muon collider

A bstract We study the capabilities of a muon collider, at 3 and 10 TeV center-of-mass energy, of probing the interactions of the Higgs boson with the muon. We consider all the possible processes involving the direct production of EW bosons ( W, Z and H ) with up to five particles in the final state. We study these processes both in the HEFT and SMEFT frameworks, assuming that the dominant BSM effects originate from the muon Yukawa sector. Our study shows that a Muon Collider has sensitivity beyond the high-luminosity LHC, especially as it does not rely on the Higgs-decay branching fraction to muons. A 10 TeV muon collider provides a unique sensitivity on muon and (multi-) Higgs interactions, significantly better than the 3 TeV option. Particularly, we find searches based purely on multi-Higgs production to be particularly effective in probing these couplings.

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Publication Details

Journal
Journal of High Energy Physics
Published
2024-08-05
DOI
https://doi.org/10.1007/jhep08(2024)021
Citations
6
Primary Topic
Particle physics theoretical and experimental studies
Type
article
Field-Weighted Citation Impact
3.96

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article

Probing Higgs-muon interactions at a multi-TeV muon collider

Eugenia Celada, Davide Pagani, Tobias Striegl, Jürgen Reuter et al.
6 citations
Journal of High Energy Physics
Particle physics theoretical and experimental studies
3.96
article

Probing Higgs-muon interactions at a multi-TeV muon collider

Eugenia Celada, Davide Pagani, Tobias Striegl, Jürgen Reuter, Fabio Maltoni, W. Kilian, Nils Kreher, Yang Ma, Keping Xie, Tao Han
article en
6 citations

Abstract

A bstract We study the capabilities of a muon collider, at 3 and 10 TeV center-of-mass energy, of probing the interactions of the Higgs boson with the muon. We consider all the possible processes involving the direct production of EW bosons ( W, Z and H ) with up to five particles in the final state. We study these processes both in the HEFT and SMEFT frameworks, assuming that the dominant BSM effects originate from the muon Yukawa sector. Our study shows that a Muon Collider has sensitivity beyond the high-luminosity LHC, especially as it does not rely on the Higgs-decay branching fraction to muons. A 10 TeV muon collider provides a unique sensitivity on muon and (multi-) Higgs interactions, significantly better than the 3 TeV option. Particularly, we find searches based purely on multi-Higgs production to be particularly effective in probing these couplings.

Journal of High Energy PhysicsVol. 2024(8)
University of Pittsburgh (US), University of Siegen (DE), Deutsches Elektronen-Synchrotron DESY (DE), University of Manchester (GB), Osservatorio astronomico di Bologna (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Bologna (IT), Michigan State University (US), University of Bologna (IT), UCLouvain (BE)
National Science Foundation, U.S. Department of Energy, Aspen Center for Physics, University of Pittsburgh, European Commission, Deutsche Forschungsgemeinschaft, Fonds De La Recherche Scientifique - FNRS
Affordable and clean energy
Openalex Percentile: Top 5%
Particle physics theoretical and experimental studies
3.96
DOIOpen Access PDFOpenAlex
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